Tablet keyboard case with 360-degree biaxial hinge



FIG. 1 is a perspective view of a tablet keyboard case with 360-degree biaxial hinge showing my new design in one of the using positions;

FIG. 2 is a perspective view thereof, showing another using position;

FIG. 3 is a perspective view thereof, showing the third type of using position;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is a front elevational view of the tablet keyboard case with 360-degree biaxial hinge thereof, showing in open position;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a left side elevational view thereof;

FIG. 13 is a right side elevational view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a bottom plan view thereof;

FIG. 16 is a front elevational view thereof, showing the tablet keyboard case with 360-degree biaxial hinge in opened 360-degree position;

FIG. 17 is a rear elevational view thereof;

FIG. 18 is a left side elevational view thereof;

FIG. 19 is a right side elevational view thereof;

FIG. 20 is a top plan view thereof; and,

FIG. 21 is a bottom plan view thereof. 

CLAIM The ornamental design for a tablet keyboard case with 360-degree biaxial hinge, as shown and described. 